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Test-Um Talk N Trace hands-free cable tracing communication system that can be used in any copper wiring environment.

Features of the Talk N Trace

• Clear, clean voice communication without interference or "dropouts" over coax cable, audio cable, speaker wire, telephone lines or even common electrical wiring
• Trace wires simultaneous while talking
• Range up to 5,000 feet, depending on cable used
• Up to 4 units can be linked together for party line use
• Full ring alert function